Waterproof - The layer is waterproof, which means it does not allow water to pass through. Imagine that it is raining, it is cold and you have nothing to warm you and protect yourself from the rain. We have a solution for that! A thermal blanket is also an excellent aid to protection from the rain. Not only does it keep you warm, it doesn't let you get wet either! Perfect for various fishing trips or trips to the lake. STRONG MANUFACTURE - The thermal blanket has many names: rescue film, emergency blanket, shock blanket, thermal film, insulating film, etc. It is made of a thin polyester film that is silver on one side and gold on the other. A thermal blanket is part of the essential equipment for any medical condition. It is used when health or life is threatened, but not only. It is mainly used in cases of overheating or cooling of the body. VERSATILE - The thermal blanket can also be successfully used on mountain tours, camping, under the tent and even at the beach when you need to cool down your sunburned body. Wherever you need to provide warmth for yourself and your loved ones, the thermal film will do its job perfectly. So it is useful to have it in your backpack on every trip or even on long trips, because the weather can play a trick on you. How to use a thermal blanket? - The silver side of the film reflects heat. So when you wrap yourself or someone else in it, your body heat is eliminated. The blanket can block up to 97% of the human body's heat radiation. For the blanket to work properly, you need to wrap it tightly so that it does not come into contact with the ground. Do not place the blanket over wet and cold clothes Note: A good blanket is an undamaged blanket, as they say. Using a damaged blanket is ineffective because the torn/torn/stretched blanket no longer has protective properties. Many sources also say that it should not be reapplied if it has already been used on a damaged body. Multi-use sleeping mat. It is used by athletes to prevent their bodies from cooling and for medical services